Parts And Functions Of Powerpoint Puter. Prior to the widespread use of microprocessors a computer that could fit on a desk was considered remarkably small the type of computers most commonly used were minicomputers which were themselves desk sized Early computers took up the space of a whole room Minicomputers generally fit into one or a few refrigerator sized racks.

Some monitors will also switch themselves off after a time period on standby Most modern laptops provide a method of screen dimming after periods of inactivity or when the battery is in use This extends battery life and reduces wear